Systems: load initrd kernel modules

systems/x86_64-linux/Hevana/hardware-configuration.nix

@@ -10,7 +10,7 @@ in
   boot = {
     kernelModules = [ "kvm-amd" ];
 
-    initrd.availableKernelModules = [
+    initrd.kernelModules = [
       "kvm-amd"
       "nvme"
       "xhci_pci"

systems/x86_64-linux/Khanda/hardware-configuration.nix

@@ -31,8 +31,7 @@ in
       options iwlwifi 11n_disable=8
     '';
 
-    initrd = {
-      availableKernelModules = [
+    initrd.kernelModules = [
       "kvm-intel"
       "surface_aggregator"
       "surface_aggregator_registry"
@@ -51,7 +50,6 @@ in
       "surface_kbd"
       "pinctrl_tigerlake"
     ];
-    };
 
     kernelParams = [
       "pci=hpiosize=0" # Prevent ACPI interrupt storm. See https://github.com/linux-surface/linux-surface/wiki/Surface-Pro-9#acpi-interrupt-storm

systems/x86_64-linux/Shura/hardware-configuration.nix

@@ -18,7 +18,7 @@ in
     kernelModules = [ "kvm-amd" ];
 
     # Hardware defaults detected by nixos-generate-configuration
-    initrd.availableKernelModules = [
+    initrd.kernelModules = [
       "kvm-amd"
       "nvme"
       "xhci_pci"